Home / 242,494,340.90-363,741,511.35-145,748,459.30

Finding the Fourth Proportional to 242,494,340.90, 363,741,511.35 and 145,748,459.30

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Solution

The fourth proportional to 242,494,340.90, 363,741,511.35 and 145,748,459.30 is: 218,622,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,494,340.90 : 363,741,511.35 = 145,748,459.30 : x
  2. Step 2: Convert to fraction form
    242,494,340.90/363,741,511.35 = 145,748,459.30/x
  3. Step 3: Cross multiply
    242,494,340.90x = 363,741,511.35 × 145,748,459.30
  4. Step 4: Simplify right side
    242,494,340.90x = 53,014,764,862,715,968
  5. Step 5: Solve for x
    x = 53,014,764,862,715,968/242,494,340.90
  6. Step 6: Final answer
    x = 218,622,688.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.